Deck's deal is for four years and $14.5M, sources tell ESPN's Adrian Wojnarowski.
Deck, a 6-foot-8 forward who played for Argentina at the 2016 Olympics, spent the last three seasons with Real Madrid of the Spanish Liga ACB. During the 2020-21 season, he averaged 9.7 points, 3.8 rebounds and 1.2 assists while shooting 52% from the field.
Before joining Real Madrid, Deck played two seasons with San Lorenzo de Almagro of Liga A in Argentina and averaged 18.9 points, 5.2 rebounds and 2.0 assists. He spent 2011 to '16 with Liga A's Quimsa.
Information from the Associated Press was used in this report